Bash function to install & run Black, isort, autoflake with virtual-env check on any Python file/project. Add this to your bash aliases for easy access.

format_python.sh

format_python() {
  if [ $# -lt 1 ]; then
    echo "Usage: format_python <path> [<path> ...]"
    return 1
  fi

  # Virtual-env check
  if [ -z "$VIRTUAL_ENV" ]; then
    echo "Warning: no Python virtualenv detected. You may want to activate one."
    read -r -p "Continue anyway? (y/N) " answer
    case "$answer" in
      [Yy]|[Yy][Ee][Ss]) 
        echo "→ Proceeding without virtualenv." 
        ;;
      *) 
        echo "Aborted. Activate a virtualenv and try again."
        return 1
        ;;
    esac
  fi

  # Ensure tools are installed
  local pkgs=(black isort autoflake)
  for pkg in "${pkgs[@]}"; do
    if ! command -v "$pkg" >/dev/null 2>&1; then
      echo "→ Installing $pkg..."
      pip install "$pkg"
    fi
  done

  # Run formatters in order
  echo "→ Running autoflake..."
  autoflake \
    --remove-all-unused-imports \
    --recursive \
    --remove-unused-variables \
    --in-place \
    "$@"

  echo "→ Running isort..."
  isort "$@"

  echo "→ Running black..."
  black "$@"

  echo "🎉 Formatting complete."
}